有刷電機與無刷電機優(yōu)劣：<\/span><\/strong>
| 有刷電機<\/span> <\/td> | 無刷電機<\/span> <\/td> <\/tr> - <\/span>摩擦大，損耗大<\/span><\/span> <\/li> <\/ul> <\/td>
- <\/span>無電刷，<\/span>低干擾 <\/span><\/span><\/span><\/span><\/span> <\/li> <\/ul> <\/td> <\/tr>
- <\/span>發(fā)熱大，壽命短<\/span><\/span><\/span> <\/li> <\/ul> <\/td>
- <\/span>噪音低，<\/span><\/span>運轉(zhuǎn)順暢<\/span><\/span><\/span> <\/span><\/span> <\/li> <\/ul> <\/td> <\/tr>
- <\/span>效率低，輸出功率小<\/span><\/span><\/span> <\/li> <\/ul> <\/td>
- <\/span>壽命長，<\/span><\/span>低維護成本<\/span><\/span><\/span><\/span><\/span> <\/li> <\/ul> <\/td> <\/tr> <\/tbody> <\/table><\/span>
電吹風無刷驅(qū)動方案：<\/strong><\/strong>
<\/span> <\/p>
<\/p> - 該方案針對電吹風開發(fā)的無霍爾控制， 通過單片機電勢<\/span>零采樣，軟件處理后，輸出方波PWM至IPM，從而驅(qū)動電機<\/span>工作，F(xiàn)逐步替代傳統(tǒng)電機。<\/span> <\/li> <\/ul>
<\/p> 方案特點：<\/strong><\/span> <\/p>
<\/p> - <\/span>無刷電機的電吹風電機用電子換向替代傳統(tǒng)換向，性能可靠<\/span>永不磨損，故障率低，<\/span> <\/li>
- <\/span>壽命比普通的風機提高10-30倍.<\/span> <\/li>
- <\/span>外置驅(qū)動的直流無刷屬靜態(tài)電機,空載電流小;<\/span> <\/li>
- <\/span>輸出功率高;<\/span> <\/li>
- <\/span>外置驅(qū)動的無刷電機可以做到體積很小,更方便整體設(shè)計.<\/span> <\/li> <\/ul>
<\/strong><\/span> <\/p> 原理圖:<\/strong><\/span> <\/p>
<\/strong><\/span> <\/p> 技術(shù)參數(shù)：<\/strong><\/span> <\/p> 工作電壓：100V-250V<\/span> <\/p> 過流電流：2.1A<\/span> <\/p> **轉(zhuǎn)速：21000RPM<\/span> <\/p> 堵轉(zhuǎn)時間：10MS<\/span> <\/p>
<\/p> 工作檔位**/低檔<\/span><\/strong> <\/p> <\/span><\/strong> <\/p> | 檔位<\/span> <\/td> | **<\/span> <\/td> | **加速<\/span> <\/td> | 低檔<\/span> <\/td> | 低檔加速<\/span> <\/td> <\/tr> | 轉(zhuǎn)速<\/span> <\/td> | 18000RPM<\/span> <\/td> | 21000RPM<\/span> <\/td> | 14000RPM<\/span> <\/td> | 16000RPM<\/span> <\/td> <\/tr> | 功率<\/span> <\/td> | 106W<\/span> <\/td> | 140W<\/span> <\/td> | 55W<\/span> <\/td> | 65W<\/span> <\/td> <\/tr> <\/tbody> <\/table>
<\/strong> <\/div>
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